The alveolus is the part of the bone that holds our teeth. The alveolus is made of alveolar bone. Some people with a cleft lip and palate can also have a cleft defect of the alveolus, where there is a gap in the alveolar bone. They sometimes also have a hole in the roof of their mouth which connects with their nose. This hole is called a fistula.

Angiography is a procedure that allows doctors to look at blood vessels in great detail using x-rays. This page explains about an angiography procedure, what it involves and what to expect when your child comes to Great Ormond Street Hospital (GOSH) to have it.

This page from Great Ormond Street Hospital (GOSH) explains about antroduodenal manometry. Antroduodenal manometry is a test to measure how well the muscles and nerves in the stomach and small intestine work. These move rhythmically to push food and drink through this part of your child’s digestive system and into the colon (large intestine).

Each year, a number of babies and children will suffer an accident or illness severe enough to stop them breathing (respiratory arrest). In a small number of these cases, it will even stop their heart beating (cardiac arrest).

This information sheet explains the various tests your child will need to prepare for a bone marrow transplant (BMT). It also explains a little about what to expect when your child comes to Great Ormond Street Hospital (GOSH) for these tests and introduces you to the members of the BMT team.